Screw Mount Machine Rubber Foot Floor Protector 40mm Dia 4 Pcs Product Name : Rubber Feet;Material : Rubber Top Hole Diameter(Approx) : 18mm;Bottom Hole Diameter(Approx) : 8mm Overall Size(Approx) : 40 x 17 x 31mm / 1.6" x 0.67" x 1.22"(Bottom D*H*Top D);Color : Black Weight : 140g Package Content : 4 x Rubber Foot